Summoning Charm
— "Accio"
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Spells
Causes an object to fly to the caster, even over quite some distance; the target object is said to have been Summoned. It would seem that the caster must know at least the general location of the object Summoned. Read More

Ageing Potion
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Potions
Effect: Causes the person drinking it to grow older. The more Ageing Potion one drinks, the more one ages. Read More

Age Line
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Magical effects
A thin golden line drawn on a floor which affects anyone who crosses it if they are too young. Read More

Amortentia
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Potions
The most powerful love potion in the world. When brewed, the liquid’s surface will have a “distinctive mother-of-pearl sheen” and from it will be “steam rising in characteristic spirals.” Amortentia smells differently to each person depending on what they’re attracted to (HBP9). Read More

Ancient Magic
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Magical discipline
The old magic, also referred to as ancient magic, is magic which is not cast by wizards with wands. It is part of the “magical-ness” of the universe. Read More

Animagus Transfiguration
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Magical effects
The Transfiguration by which an Animagus takes his or her animal form, or reverts to human form from animal form. The animal form is sometimes referred to as the witch or wizard’s Animagus form. See Animagi entry for further details about wizarding folk who can perform this highly complex and… Read More

Anti-Gravity Mist
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Magical effects
Charm which creates an innocent-looking golden mist which hovers above the ground. A person stepping into this mist immediately finds that up and down have reversed and they are hanging from the ground over the endless sky. Read More

Antler jinx
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Spells
The antler jinx, as the name suggests, causes the victim to sprout antlers. Pansy Parkinson, a member of the hated Inquisitorial Squad, was the victim of this jinx as Hogwarts students rebelled against their new Headmistress, Dolores Umbridge: Filch prowled the corridors with a horsewhip ready in his hands, desperate… Read More

Apparition
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Magical discipline
Advanced spell used by fully trained witches and wizards to disappear from one place and appear almost instantly somewhere else. A person who uses this spell is referred to as an Apparator. Apparition is typically cast non-verbally. Read More

Killing Curse
— "Avada Kedavra"
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Spells
Causes instant death in a flash of green light, usually leaving no sign of physical damage or of the cause of death that would be detectable to a Muggle autopsy. Read More